CN104163473A - Novel electrochemical treatment device for wastewater treatment and wastewater treatment method - Google Patents

Novel electrochemical treatment device for wastewater treatment and wastewater treatment method Download PDF

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Publication number
CN104163473A
CN104163473A CN201410363809.0A CN201410363809A CN104163473A CN 104163473 A CN104163473 A CN 104163473A CN 201410363809 A CN201410363809 A CN 201410363809A CN 104163473 A CN104163473 A CN 104163473A
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electrochemical
aforementioned
oxidation reaction
reaction unit
assisted oxidation
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CN104163473B (en
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张燕厚
梁继业
吕斯濠
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GUANGDONG VICDI TECHNOLOGY Co Ltd
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GUANGDONG VICDI TECHNOLOGY Co Ltd
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Abstract

The invention discloses a novel electrochemical treatment device for wastewater treatment and a wastewater treatment method. The electrochemical treatment device includes a high-frequency pulse power supply, electrochemical reaction units, a gas filling unit, a first agent-feeding unit, a second agent-feeding unit and a first auxiliary oxidation reaction unit; each electrochemical reaction unit comprises a reactor shell body, a negative electrode and a positive electrode, wherein the negative electrode and the positive electrode are arranged inside the reactor shell body; the high-frequency pulse power supply is connected with the negative electrodes and the positive electrodes; an electrochemical reaction cavity for accommodating wastewater is formed inside each reactor shell body; therefore, under the action of the current provided by the high-frequency pulse power supply and with the synergistic effect of the gas filling unit, the first agent-feeding unit, the second agent-feeding unit and the first auxiliary oxidation reaction unit, the wastewater undergoes electric flocculation, electric catalytic oxidation, electric gas floatation, electrolysis, ionization and other effects in the electrochemical reaction units, and pollutants in the wastewater are effectively removed; and the electrochemical treatment device has the advantages of relatively low energy consumption, good treatment effect, high degree of automation, good hygiene conditions of an operation environment and low running cost.

Description

A kind of model electrochemical treatment facility and method of wastewater treatment thereof for wastewater treatment
Technical field
The present invention relates to water treatment field technology, refer in particular to a kind of model electrochemical treatment facility and method of wastewater treatment thereof for wastewater treatment.
Background technology
Environment protection is the problem that people are extremely concerned about, reusing sewage and metal recovery recycling are an inevitable trend of enterprise development.Sewage treatment equipment is before found in the time that reality is used, also there is more defect in it, for example, the obstruction of film, the electricity charge of highly energy-consuming etc., these have aggravated the processing cost of sewage undoubtedly, and often expensive some enterprise that also causes is using sewage treatment equipment as the one ornaments of dealing with green audit.
At present, electrochemical techniques are as a kind of " cleaning technique ", have quick, sensitive, accurate, efficient, simple in structure, safe and reliable, be convenient to the advantages such as automatization, it just day by day demonstrates unique superiority in the work of environment purification, electrochemical processing apparatus becomes the tool that solves environmental problem gradually, in field of environment protection, will bring into play more and more important effect; But current electrochemical processing apparatus exists always, energy consumption is large, cost is high, have the deficiencies such as side reaction.
Therefore, need to work out a kind of new technical scheme and solve the problems referred to above.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of model electrochemical treatment facility and method of wastewater treatment thereof for wastewater treatment, it can effectively remove the pollution substance in waste water, and the energy consumption of this equipment is lower, treatment effect good, level of automation is high, operating environment sanitary condition is good, working cost is low, is conducive to apply.
For achieving the above object, the present invention adopts following technical scheme:
For a model electrochemical treatment facility for wastewater treatment, include high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant and the first assisted oxidation reaction unit;
Wherein, this electrochemical reaction appts includes reactor shell and is arranged at the positive and negative electrode of reactor shell inside, aforementioned high frequency pulse power supply is connected to this positive and negative electrode, this reactor shell inside is formed with the electrochemical reaction chamber for holding waste water, and, in this reactor shell, offer water-in, water outlet, for add gas add pore and for adding the medicine feeding hole of medicament;
This aerator comprises source of the gas and is connected in source of the gas and the aforementioned gas-adding pipe adding between pore, on this gas-adding pipe, is provided with gas meter; This first chemicals dosing plant includes the first dosing tank and the first chemical feed pipe, and this first chemical feed pipe is connected between the first dosing tank and aforementioned medicine feeding hole; This second chemicals dosing plant includes the second dosing tank and the second chemical feed pipe, and this second chemical feed pipe is connected between the second dosing tank and aforementioned the first assisted oxidation reaction unit; On this first assisted oxidation reaction unit, be provided with for the water-in of waste water access with for the water outlet of processing water source is provided to electrochemical reaction appts, the water outlet of this first assisted oxidation reaction unit is connected in the water-in on previous reaction device housing through pipeline;
And, water outlet in this reactor shell is connected with the second assisted oxidation reaction unit, on this second assisted oxidation reaction unit, be provided with water-in and water outlet, water outlet on previous reaction device housing is connected in the water-in of this second assisted oxidation reaction unit through pipeline, and the water outlet of this second assisted oxidation reaction unit is connected with VF membrane filter appts.
As a kind of preferred version, described first and second assisted oxidation reaction unit adopts one or more in ultrasonic unit, UV-device, microwave device, square wave device, X-ray apparatus, gamma-rays device.
As a kind of preferred version, on described gas-adding pipe, be provided with scouring electromagnetic valve, this scouring electromagnetic valve and aforementioned gas meter are arranged in parallel.
As a kind of preferred version, a pair of positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential are set in described reactor shell.
As a kind of preferred version, described positive and negative electrode is aluminium matter or irony or carbon fiber material.
As a kind of preferred version, described reactor shell is insulation shell.
As a kind of preferred version, described reactor shell is some, and it is 1 to 100 row that these some side reaction device housings are arranged in parallel, 1~100 of every row series connection; Aforementioned electric chemical reaction equipment is provided with pedestal, and aforementioned some side reaction device housings are arranged in this pedestal.
As a kind of preferred version, on described pedestal, be provided with center-control case, this center-control case is connected to aforementioned high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant, the first assisted oxidation reaction unit, the second assisted oxidation reaction unit and VF membrane filter appts.
A method for wastewater treatment, the step comprising has
(1) waste water is input in the first assisted oxidation reaction unit, aforementioned the second chemicals dosing plant is annotated and is contained reductive agent, H in the first assisted oxidation reaction unit 2o 2, HCl, H 2sO 4liquid medicine, this liquid medicine is tentatively oxidized waste water, and regulates the pH value of waste water;
(2) input in the electrochemical reaction chamber of aforementioned electric chemical reaction equipment through step (1) waste water after treatment; Aforementioned aerator is annotated the source of the gas that contains pressurized air, oxygen, ozone, nitrogen, carbon dioxide in electrochemical reaction chamber, adds that gas aligns, negative electrode surface washes away and makes to keep in electrochemical reaction chamber certain pressure; Aforementioned the first chemicals dosing plant is annotated and is contained reductive agent, H in electrochemical reaction chamber 2o 2, HCl, H 2sO 4liquid medicine, under the galvanic action providing at aforementioned high frequency pulse power supply, there is electric flocculation, catalytic oxidation, electro-flotation, electrolysis, ionizing event in waste water in electrochemical reaction chamber;
(3) input in aforementioned the second assisted oxidation reaction unit through step (2) waste water after treatment, Pollutants in Wastewater is done to further oxidative degradation;
(4) discharge after VF membrane filter appts filters through step (3) waste water after treatment.
The present invention compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, it is mainly under the galvanic action providing at high frequency pulse power supply, pass through aerator, the first chemicals dosing plant, the second chemicals dosing plant, the synergies such as the first assisted oxidation reaction unit, in electrochemical reaction appts, there is electricity flocculation in waste water, catalytic oxidation, electro-flotation, electrolysis, the effects such as ionization, thereby, effectively remove colloid and suspension pollutant matter in waste water, and to oil in water emulsion, larger molecular organics, microorganism, heavy metal ion, fluorion, the coloured class material of turbidity and part has good removal effect, greatly improve biodegradability, and the second follow-up assisted oxidation reaction unit and VF membrane filter appts are further removed pollutent, this equipment can effectively be removed the pollution substance in waste water, and its energy consumption is lower, level of automation is high, treatment effect is good, body refuse water ratio is low, operating environment sanitary condition is good, working cost is low, is conducive to apply,
Next is, a pair of positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential can be set in previous reaction device housing, has had large increase at the aspect such as selectivity, the activation of electrode of electrode; And, the structure design uniqueness of aforementioned electric chemical reaction equipment, ingenious, it is by being designed to reactor shell a shape, and some side reaction device housings are arranged in pedestal taking the arrangement mode of " being arranged in parallel as 1 to 100 row; 1~100 of every row series connection ", its reasonable structural arrangement, compactness, shared space is little, be conducive to equipment miniaturized design and making, be convenient to use and the management to this equipment such as enterprise.
For more clearly setting forth constitutional features of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Brief description of the drawings
Fig. 1 is the general configuration block diagram of the present invention's preferred embodiment;
Fig. 2 is the perspective view of electrochemical reaction appts in the present invention's better enforcement;
Fig. 3 is the front view of electrochemical reaction appts in the present invention's better enforcement;
Fig. 4 is the vertical view of electrochemical reaction appts in the present invention's better enforcement;
Fig. 5 is the left view of electrochemical reaction appts in the present invention's better enforcement;
Fig. 6 is the anti-principle schematic of electrochemistry in the present invention's better enforcement.
Accompanying drawing identifier declaration:
10, high frequency pulse power supply 20, electrochemical reaction appts
30, aerator 31, source of the gas
32, gas-adding pipe 33, gas meter
34, scouring electromagnetic valve 40, the first chemicals dosing plant
41, the first dosing tank 42, the first chemical feed pipe
50, the second chemicals dosing plant 51, the second dosing tank
52, the second chemical feed pipe 60, the first assisted oxidation reaction unit
70, the second assisted oxidation reaction unit 80, VF membrane filter appts
90, pedestal 91, center-control case
92, tensimeter 93, rate of flow meter
94, water-in 95, water outlet
100, waste water.
Embodiment
Please refer to shown in Fig. 1 to Fig. 6, it has demonstrated general configuration and the principle of the present invention's preferred embodiment, this kind is for the model electrochemical treatment facility of wastewater treatment, its can be widely used in all kinds of waste water treatments and give engineering of water treatment, the processing of such as various trade effluents (as electroplating wastewater, dyeing waste water, breadboard industrial waste water, semi-conductor industrial waste water etc.) and percolate etc.
This equipment includes high frequency pulse power supply 10, electrochemical reaction appts 20, aerator 30, the first chemicals dosing plant 40, the second chemicals dosing plant 50, the first assisted oxidation reaction unit 60, the second assisted oxidation reaction unit 70 and VF membrane filter appts 80, and its one-piece construction is comparatively simple, safety, reliable.
Wherein, this high frequency pulse power supply 10 is used to electrochemical reaction appts that the power supply of high frequency (one-level frequency 10~1000Hz, secondary frequency 10~100K Hz), tape pulse function, low voltage (1~48V), high electric current (1~400A) is provided.
This electrochemical reaction appts 20 includes reactor shell and is arranged at the positive and negative electrode of reactor shell inside, aforementioned high frequency pulse power supply 10 is connected to this positive and negative electrode, this reactor shell inside is formed with the electrochemical reaction chamber for holding waste water, and, in this reactor shell, offer water-in, water outlet, for add gas add pore and for adding the medicine feeding hole of medicament; Herein, previous reaction device housing is insulation shell, can adopt UPVC, PP, glass fibre steel etc. to have insulation characterisitic material and make; Between aforementioned positive and negative electrode, isolate by insulating material, must not directly contact, can be set to the pattern of a pair of positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential; This positive and negative electrode can adopt aluminium matter or irony or carbon fiber material etc., and its shape can be column, tabular, cylindric etc.; There has been large increase the aspect such as selectivity, the activation of electrode at electrode.
This aerator 30 comprises source of the gas 31 and is connected in source of the gas 31 and the aforementioned gas-adding pipe 32 adding between pore, on this gas-adding pipe 32, be provided with gas meter 33, and being provided with scouring electromagnetic valve 34 on this gas-adding pipe 32, this scouring electromagnetic valve 34 is arranged in parallel with aforementioned gas meter 33; Described source of the gas 34 is the sources of the gas that contain pressurized air, oxygen, ozone, nitrogen, carbon dioxide, to add nitrogen and carbon dioxide and be in order to make and in reactor assembly, keep certain pressure (1~5bar), add pressurized air, oxygen, ozone and can not only make the certain pressure of maintenance in reactor assembly, and can under electrochemical action, produce oxidation base O, O3, OH etc., improve the oxidative degradation ability to Wastewater Pollutant in reactor assembly; Gas can also align, negative electrode surface washes away, and avoids the impact of electrode surface passivation and settled sludge.
This first chemicals dosing plant 40 includes the first dosing tank 41 and the first chemical feed pipe 42, and this first chemical feed pipe 42 is connected between the first dosing tank 41 and aforementioned medicine feeding hole; This second chemicals dosing plant 50 includes the second dosing tank 51 and the second chemical feed pipe 52, and this second chemical feed pipe 52 is connected between the second dosing tank 51 and aforementioned the first assisted oxidation reaction unit 60; Liquid medicine in described the first dosing tank 41 and the second dosing tank 51 contains reductive agent (Sodium Pyrosulfite, sodium pyrosulfate, ferrous sulfate etc.), H 2o 2, HCl, H 2sO 4, wherein, H 2o 2in order to improve the oxidation capacity to Pollutants in Wastewater, H 2o 2itself has oxidation capacity, simultaneously H 2o 2can produce the effect of Fenton oxidation with ferrous ion, in the water body of energising, produce the effect of electric Fenton, HCl, H 2sO 4be mainly the pH value in order to regulate waste water, prevent pole plate passivation, increase reaction efficiency.
On this first assisted oxidation reaction unit 60, be provided with for the water-in of waste water access with for the water outlet of processing water source is provided to electrochemical reaction appts 20, the water outlet of this first assisted oxidation reaction unit 60 is connected in the water-in on previous reaction device housing through pipeline; And, on this second assisted oxidation reaction unit 70, be provided with water-in and water outlet, water outlet on previous reaction device housing is connected in the water-in of this second assisted oxidation reaction unit 70 through pipeline, and the water outlet of this second assisted oxidation reaction unit 70 is connected with VF membrane filter appts 80.
Described first and second assisted oxidation reaction unit (60,70) adopts one or more in ultrasonic unit, UV-device, microwave device, square wave device, X-ray apparatus, gamma-rays device; This first and second assisted oxidation device (60,70) can significantly improve the oxidation capacity of equipment to Wastewater Pollutant with the combination of electrochemical reaction appts 20.
As shown in Figures 2 to 5, the structure design uniqueness of the electrochemical reaction appts 20 in the present embodiment, ingenious, it is by being designed to reactor shell a shape, such as cube-shaped rectangular-shaped or cylindric etc., and some side reaction device housings are arranged in pedestal 90 taking the arrangement mode of " being arranged in parallel as 1 to 100 row; 1~100 of every row series connection ", and be provided with common water-in 94 and water outlet 95, its reasonable structural arrangement, compactness, shared space is little, be conducive to equipment miniaturized design and making, be convenient to use and the management to this equipment such as enterprise.
On aforementioned pedestal 90, be provided with center-control case 91, some tensimeters 92 and rate of flow meter 93, this center-control case 91 is connected to aforementioned high frequency pulse power supply 10, electrochemical reaction appts 20, aerator 30, the first chemicals dosing plant 40, the second chemicals dosing plant 50, the first assisted oxidation reaction unit 60, the second assisted oxidation reaction unit 70 and VF membrane filter appts 80, its level of automation is high, convenient operation and management.
In conjunction with the above-mentioned description to model electrochemical treatment facility, the step of roughly introducing wastewater treatment is as follows:
(1) waste water 100 is input in the first assisted oxidation reaction unit 60, the liquid medicine that aforementioned the second chemicals dosing plant 50 contains reductive agent, H2O2, HCl, H2SO4 towards the interior filling of the first assisted oxidation reaction unit 60, this liquid medicine is tentatively oxidized waste water, and regulates the pH value of waste water;
(2) input in the electrochemical reaction chamber of aforementioned electric chemical reaction equipment 20 through step (1) waste water after treatment, herein, the flow velocity of electrochemical reaction appts 20 interior waste water need remain on 0.1~1m/s; Aforementioned aerator 30 is annotated the source of the gas that contains pressurized air, oxygen, ozone, nitrogen, carbon dioxide in electrochemical reaction chamber, adds that gas aligns, negative electrode surface washes away and makes to keep in electrochemical reaction chamber certain pressure; The liquid medicine that aforementioned the first chemicals dosing plant 40 is annotated and contained reductive agent, H2O2, HCl, H2SO4 in electrochemical reaction chamber, under the galvanic action providing at aforementioned high frequency pulse power supply 20, there is electric flocculation, catalytic oxidation, electro-flotation, electrolysis, ionizing event in waste water in electrochemical reaction chamber; Its general principles as shown in Figure 6, use clean, effective electronics as strong redox reagent herein, owing to existing high potential gradient in Interface electric field, electrode is equivalent to the catalyzer of out-phase reaction, thereby reduce the environmental pollution bringing because adding catalyzer in conventional art, this electrochemical process has higher selectivity simultaneously, can prevent the generation of by product, reduces pollutent; This electrochemical reaction process can carry out at a lower temperature, and it is not subject to the restriction of carnot's working cycle, and capacity usage ratio is high, by controlling current potential, appropriate design electrode and electrochemical reaction chamber, can reduce preferably power loss;
(3) input in aforementioned the second assisted oxidation reaction unit 70 through step (2) waste water after treatment, Pollutants in Wastewater is done to further oxidative degradation; In conjunction with abovementioned steps (1), (2) and this step (3), the effects such as whole electrochemical reaction process has direct or indirect oxidation and reduction, is separated, concentrated and dilution, Biocidal, can process gas, liquid and the solid pollutant of microlitre to 1 × 106L;
(4) discharge after VF membrane filter appts 80 filters through step (3) waste water after treatment.
Above-mentioned high-frequency impulse ionization method, it breaks through traditional electrolytic process, utilize electrochemical principle, produce electrochemical reaction by additional ionizing event, be chemical energy electric energy conversion, in specific ionization device flow process, organic or inorganic pollution substance in waste water is oxidized and reduction reaction, and then cohesion, floating except pollutent is separated from water body, to oil in water emulsion, larger molecular organics, microorganism, heavy metal ion, fluorion, the coloured class material of turbidity and part has good removal effect, comprise Cr6+, Zn2+, Ni2+, Cu2+, the heavy metals such as Cd2+, CN, oil, phosphoric acid salt and COD, the various noxious pollutants such as SS and colourity, wherein COD clearance reaches 30-70%.
Design focal point of the present invention is, it is mainly under the galvanic action providing at high frequency pulse power supply, pass through aerator, the first chemicals dosing plant, the second chemicals dosing plant, the synergies such as the first assisted oxidation reaction unit, in electrochemical reaction appts, there is electricity flocculation in waste water, catalytic oxidation, electro-flotation, electrolysis, the effects such as ionization, thereby, effectively remove colloid and suspension pollutant matter in waste water, and to oil in water emulsion, larger molecular organics, microorganism, heavy metal ion, fluorion, the coloured class material of turbidity and part has good removal effect, greatly improve biodegradability, and the second follow-up assisted oxidation reaction unit and VF membrane filter appts are further removed pollutent, this equipment can effectively be removed the pollution substance in waste water, and energy consumption is lower, level of automation is high, treatment effect is good, body refuse water ratio is low, operating environment sanitary condition is good, working cost is low, is conducive to apply.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, therefore any trickle amendment, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment all still belong in the scope of technical solution of the present invention.

Claims (9)

1. for a model electrochemical treatment facility for wastewater treatment, it is characterized in that: include high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant and the first assisted oxidation reaction unit;
Wherein, this electrochemical reaction appts includes reactor shell and is arranged at the positive and negative electrode of reactor shell inside, aforementioned high frequency pulse power supply is connected to this positive and negative electrode, this reactor shell inside is formed with the electrochemical reaction chamber for holding waste water, and, in this reactor shell, offer water-in, water outlet, for add gas add pore and for adding the medicine feeding hole of medicament;
This aerator comprises source of the gas and is connected in source of the gas and the aforementioned gas-adding pipe adding between pore, on this gas-adding pipe, is provided with gas meter; This first chemicals dosing plant includes the first dosing tank and the first chemical feed pipe, and this first chemical feed pipe is connected between the first dosing tank and aforementioned medicine feeding hole; This second chemicals dosing plant includes the second dosing tank and the second chemical feed pipe, and this second chemical feed pipe is connected between the second dosing tank and aforementioned the first assisted oxidation reaction unit; On this first assisted oxidation reaction unit, be provided with for the water-in of waste water access with for the water outlet of processing water source is provided to electrochemical reaction appts, the water outlet of this first assisted oxidation reaction unit is connected in the water-in on previous reaction device housing through pipeline;
And, water outlet in this reactor shell is connected with the second assisted oxidation reaction unit, on this second assisted oxidation reaction unit, be provided with water-in and water outlet, water outlet on previous reaction device housing is connected in the water-in of this second assisted oxidation reaction unit through pipeline, and the water outlet of this second assisted oxidation reaction unit is connected with VF membrane filter appts.
2. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: described first and second assisted oxidation reaction unit adopts one or more in ultrasonic unit, UV-device, microwave device, square wave device, X-ray apparatus, gamma-rays device.
3. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: on described gas-adding pipe, be provided with scouring electromagnetic valve, this scouring electromagnetic valve and aforementioned gas meter are arranged in parallel.
4. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: a pair of positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential are set in described reactor shell.
5. according to the model electrochemical treatment facility for wastewater treatment described in claim 1 or 4, it is characterized in that: described positive and negative electrode is aluminium matter or irony or carbon fiber material.
6. a kind of model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: described reactor shell is insulation shell.
7. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: described reactor shell is some, and it is 1 to 100 row that these some side reaction device housings are arranged in parallel, 1~100 of every row series connection; Aforementioned electric chemical reaction equipment is provided with pedestal, and aforementioned some side reaction device housings are arranged in this pedestal.
8. the model electrochemical treatment facility for wastewater treatment according to claim 7, it is characterized in that: on described pedestal, be provided with center-control case, this center-control case is connected to aforementioned high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant, the first assisted oxidation reaction unit, the second assisted oxidation reaction unit and VF membrane filter appts.
9. a method for wastewater treatment, is characterized in that: adopt the model electrochemical treatment facility for wastewater treatment as described in claim 1, the step comprising has
(1) waste water is input in the first assisted oxidation reaction unit, aforementioned the second chemicals dosing plant is annotated and is contained reductive agent, H in the first assisted oxidation reaction unit 2o 2, HCl, H 2sO 4liquid medicine, this liquid medicine is tentatively oxidized waste water, and regulates the pH value of waste water;
(2) input in the electrochemical reaction chamber of aforementioned electric chemical reaction equipment through step (1) waste water after treatment; Aforementioned aerator is annotated the source of the gas that contains pressurized air, oxygen, ozone, nitrogen, carbon dioxide in electrochemical reaction chamber, adds that gas aligns, negative electrode surface washes away and makes to keep in electrochemical reaction chamber certain pressure; Aforementioned the first chemicals dosing plant is annotated and is contained reductive agent, H in electrochemical reaction chamber 2o 2, HCl, H 2sO 4liquid medicine, under the galvanic action providing at aforementioned high frequency pulse power supply, there is electric flocculation, catalytic oxidation, electro-flotation, electrolysis, ionizing event in waste water in electrochemical reaction chamber;
(3) input in aforementioned the second assisted oxidation reaction unit through step (2) waste water after treatment, Pollutants in Wastewater is done to further oxidative degradation;
(4) discharge after VF membrane filter appts filters through step (3) waste water after treatment.
CN201410363809.0A 2014-07-29 2014-07-29 A kind of model electrochemical for wastewater treatment processes equipment and method of wastewater treatment thereof Ceased CN104163473B (en)

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CN105481150A (en) * 2016-01-29 2016-04-13 钟治超 Treatment equipment for wastewater containing heavy metal
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CN204162479U (en) * 2014-07-29 2015-02-18 广东威迪科技股份有限公司 A kind of model electrochemical treatment facility for wastewater treatment

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CN105271582A (en) * 2015-11-24 2016-01-27 上海东振环保工程技术有限公司 Leachate advanced treatment device and treatment method for domestic waste landfill
CN105481150A (en) * 2016-01-29 2016-04-13 钟治超 Treatment equipment for wastewater containing heavy metal
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